When Sifrhippus, the earliest known horse, first appeared in the forests of North America more than 50 million years ago, it would not have been mistaken for a Clydesdale. It weighed in at around 12 pounds -- and it was destined ...
Evolution
Feb 23, 2012
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(PhysOrg.com) -- 66 million years ago, the fearsome, meat-eating dinosaur Majungasaurus crenatissimus prowled the semi-arid lowlands of Madagascar. Its powerful jaws bristled with bladelike teeth, and its strong legs terminated ...
Archaeology
Jan 11, 2012
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(PhysOrg.com) -- Decorative stone is often used in buildings for its strength and durability but is not often thought of as a hiding place for fossils. If not for an observant Italian stonecutter, a recently discovered fossil ...
Paleontology & Fossils
Nov 8, 2011
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While the cause of the mass extinction that occurred between the Permian and Triassic periods is still uncertain, two University of Rhode Island researchers collected data that show that terrestrial biodiversity recovered ...
Earth Sciences
Oct 10, 2011
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The crop is characteristic of seed-eating birds today, yet little is known about its early history despite remarkable discoveries of many Mesozoic seed-eating birds in the past decade. Scientists from Institute of Vertebrate ...
Archaeology
Sep 6, 2011
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A paper to be published on September 2, 2011 in the authoritative magazine Science reveals the discovery of a primitive woolly rhino fossil in the Himalayas, which suggests some giant mammals first evolved in present-day ...
Archaeology
Sep 1, 2011
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(PhysOrg.com) -- Reorganisation of the brain and sense organs could be the key to the evolutionary success of vertebrates, one of the great puzzles in evolutionary biology, according to a paper by an international team of ...
Archaeology
Aug 17, 2011
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(PhysOrg.com) -- An international team of researchers studied the parareptiles, a diverse group of bizarre-looking terrestrial vertebrates which varied in shape and size. Some were small, slender, agile and lizard-like creatures, ...
Archaeology
May 5, 2011
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Researchers from China, Leicester and Oxford have discovered a remarkable fossil which sheds new light on an important group of primitive sea creatures.
Archaeology
Mar 24, 2011
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University of Florida researchers presenting new fossil evidence of an exceptionally well-preserved 55-million-year-old North American mammal have found it shares a common ancestor with rodents and primates, including humans.
Archaeology
Oct 11, 2010
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